HP Compaq dc7900 USDT Spezifikationen Seite 9
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Cable Management .......................................................................................................................... 137
Cable Connections ........................................................................................................................... 138
Drives ............................................................................................................................................... 139
Drive Positions ................................................................................................................. 139
Installing and Removing Drives ....................................................................................... 140
System Board Drive Connections ................................................................... 142
Removing an Optical Drive ............................................................................. 143
Installing an Optical Drive into the 5.25-inch Drive Bay .................................. 144
Removing an External 3.5-inch Drive .............................................................. 147
Installing a Drive into the 3.5-inch External Drive Bay .................................... 150
Removing and Replacing the Primary 3.5-inch Internal SATA Hard Drive ..... 152
Removing and Replacing a Removable 3.5-inch SATA Hard Drive ............... 156
Fan Shroud ....................................................................................................................................... 161
Front Fan Assembly ......................................................................................................................... 162
Hood Sensor .................................................................................................................................... 163
Power Switch Assembly ................................................................................................................... 164
Front I/O Device ............................................................................................................................... 165
Speaker ............................................................................................................................................ 165
Smart Cover Lock ............................................................................................................................. 166
Heatsink ........................................................................................................................................... 167
Processor ......................................................................................................................................... 168
Power Supply ................................................................................................................................... 169
System Board ................................................................................................................................... 171
Backwall ........................................................................................................................................... 172
Battery .............................................................................................................................................. 173
Type 1 Battery Holder ...................................................................................................... 174
Type 2 Battery Holder ...................................................................................................... 174
Type 3 Battery Holder ...................................................................................................... 175
Using the Small Form Factor Computer in a Tower Orientation ...................................................... 176
9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis
Preparation for Disassembly ............................................................................................................ 178
External Security Devices ................................................................................................................ 179
Installing a Security Lock ................................................................................................. 179
Cable Lock ...................................................................................................... 179
Padlock ........................................................................................................... 180
HP Business PC Security Lock ....................................................................... 180
Computer Access Panel ................................................................................................................... 183
Front Bezel ....................................................................................................................................... 184
Bezel Blank ...................................................................................................................................... 185
Installing Additional Memory ............................................................................................................ 186
SODIMMs ........................................................................................................................ 186
DDR2-SDRAM SODIMMs ............................................................................................... 186
Populating SODIMM Sockets .......................................................................................... 187
Installing SODIMMs ......................................................................................................... 188
Cable Management .......................................................................................................................... 190
Cable Connections ........................................................................................................................... 191
Replacing the Optical Drive .............................................................................................................. 191
Removing the Existing Optical Drive ............................................................................... 191
Preparing the New Optical Drive ..................................................................................... 192
ix
- Service Reference Guide 1
- About This Book 3
- Table of contents 5
- Computer Setup—File 17
- Computer Setup—Storage 18
- Computer Setup—Security 20
- Computer Setup—Power 24
- Computer Setup—Advanced 25
- HP Insight Diagnostics 29
- Survey Tab 30
- Test Tab 31
- Status Tab 31
- Help Tab 32
- Protecting the Software 33
- 4 Desktop Management 35
- Remote System Installation 36
- HP SoftPaq Download Manager 38
- HP System Software Manager 38
- Management Technology 42
- Verdiem Surveyor 44
- Subscriber’s Choice 44
- Retired Solutions 44
- ROM Flash 45
- Replicating the Setup 46
- Copying to Multiple Computers 47
- Creating a Bootable Device 48
- Dual-State Power Button 50
- HP Web Site Support 51
- Industry Standards 51
- Asset Tracking and Security 51
- Password Security 55
- Entering a Power-On Password 56
- Entering a Setup Password 56
- DriveLock 58
- Smart Cover Sensor 59
- Cable Lock Provision 61
- Drive Protection System 61
- Surge-Tolerant Power Supply 61
- Thermal Sensor 62
- SATA Hard Drives 63
- SATA Hard Drive Cables 64
- PATA Device Information 65
- ATA SMART Drives 65
- Hard Drive Capacities 65
- Chassis Designations 66
- Small Form Factor (SFF) 67
- Ultra-Slim Desktop (USDT) 67
- Generating Static 68
- Grounding the Work Area 69
- Operating Guidelines 70
- Routine Care 71
- Service Considerations 72
- Cables and Connectors 73
- Hard Drives 73
- Lithium Coin Cell Battery 74
- External Security Devices 67 79
- Drives 85 97
- Rear Chassis Fan 114
- Heatsink 116
- Fan Shroud 117
- Processor 118
- Front Chassis Fan 119
- Power Supply 120
- System Board 121
- Type 2 Battery Holder 123
- Type 1 Battery Holder 123
- Type 3 Battery Holder 124
- Preparation for Disassembly 130
- Smart Cover FailSafe Key 131
- External Security Devices 133
- HP Business PC Security Lock 135
- Computer Access Panel 137
- Front Bezel 138
- Bezel Blanks 139
- Installing Additional Memory 140
- Populating DIMM Sockets 141
- Installing DIMMs 142
- Expansion Cards 144
- Cable Management 149
- Cable Connections 150
- Drive Positions 151
- Removing an Optical Drive 155
- Drives 149 161
- Front Fan Assembly 174
- Hood Sensor 175
- Power Switch Assembly 176
- Front I/O Device 177
- Smart Cover Lock 178
- Backwall 184
- Orientation 188
- External Security Devices 181 193
- Figure 9-7 Engaging the Lock 194
- Bezel Blank 197
- Populating SODIMM Sockets 199
- Installing SODIMMs 200
- Replacing the Optical Drive 203
- Optical Drive Connector 205
- Hard Drive 207
- Hard Drive Cage 211
- Port Cover 212
- Front Fan 213
- Rear Fan 215
- A Connector Pin Assignments 224
- Ethernet RJ-45 225
- Ethernet AUI 225
- Parallel Interface 226
- Microphone 227
- Headphone 227
- Line-in Audio 227
- Line-out Audio 227
- External Infrared Transceiver 228
- CD-ROM 50-Pin Connector 230
- 24-Pin Power 230
- 4-Pin Power (for CPU) 231
- SATA Data and Power 232
- PCI Express 232
- PCI Express Mini Card 234
- DVI Connector 235
- B Power Cord Set Requirements 236
- Country-Specific Requirements 237
- C POST Error Messages 238
- Audible Codes 245
- Safety and Comfort 249
- Helpful Hints 250
- Solving General Problems 252
- Solving General Problems 241 253
- Solving Power Problems 255
- Solving Diskette Problems 256
- Solving Diskette Problems 245 257
- Solving Hard Drive Problems 259
- Solving Display Problems 263
- Solving Display Problems 253 265
- Solving Audio Problems 267
- Solving Printer Problems 268
- Solving Printer Problems 257 269
- Solving Network Problems 273
- Solving Network Problems 263 275
- Solving Memory Problems 276
- Solving Processor Problems 277
- Solving Software Problems 283
- Contacting Customer Support 284
- Reference Designators 285
- F Specifications 291
- SFF Specifications 292
- USDT Specifications 293
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